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Showing 1–9 of 9 results
Advanced filters: Author: Fabrice Scheurer Clear advanced filters

  • Switches made up of single molecules form the basis for the concept of molecular electronics. Miyamachiet al.demonstrate that an iron-based spin crossover molecule can be switched between different spin states, provided it is decoupled from a metallic substrate by a thin insulating layer.

    • Toshio Miyamachi
    • Manuel Gruber
    • Wulf Wulfhekel
    ResearchOpen Access
    Nature Communications
    Volume: 3, P: 1-6

  • Scanning tunneling microscopy (STM) gives access to the atomic-scale properties of matter. Here, the authors showcase the fluorescent functionalization of an STM tip using a single molecule in direct metal contact, permitting the local electrostatic and -dynamic environment to be probed.

    • Niklas Friedrich
    • Anna Rosławska
    • Guillaume Schull
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • Antiferromagnetic order at room temperature is stabilized in Mn phthalocyanine layers in contact with a cobalt layer. In addition, the molecular layer pins the inorganic ferromagnetic layer through exchange bias at low temperature.

    • Manuel Gruber
    • Fatima Ibrahim
    • Martin Bowen
    Research
    Nature Materials
    Volume: 14, P: 981-984

  • Weak laser light confined at the apex of a scanning tunnelling microscope tip can drive the tautomerization of a free-base phthalocyanine with atomic-scale precision. The combination of tip-enhanced photoluminescence spectroscopy and hyperspectral mapping paired with theoretical modelling then unravel an excited-state mediated reaction.

    • Anna Rosławska
    • Katharina Kaiser
    • Guillaume Schull
    Research
    Nature Nanotechnology
    Volume: 19, P: 738-743

  • Understanding metal-molecule contacts is crucial for molecular electronic devices. Here, the authors use a C60-terminated scanning tunnelling tip to probe how the chemical nature of the contacting atom on the substrate electrode determines the transport properties.

    • Thomas Frederiksen
    • Giuseppe Foti
    • Guillaume Schull
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-7

  • The internal Stark effect, a shift of the spectral lines of a chromophore induced by electrostatic fields in its close environment, plays an important role in nature. Here the authors observe a Stark shift in the fluorescence spectrum of a phthalocyanine molecule upon charge modifications within the molecule itself, achieved by sequential removal of the central protons with a STM tip.

    • Kirill Vasilev
    • Benjamin Doppagne
    • Guillaume Schull
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Energy funnelling within multichromophoric assemblies is key to the conversion of solar energy by plants. Now, energy transport between phthalocyanine-based chromophores has been monitored at the submolecular level using scanning tunnelling microscopy, focusing on the role of ancillary, passive and blocking chromophores in promoting and directing energy transfer between distant donor and acceptor units.

    • Shuiyan Cao
    • Anna Rosławska
    • Guillaume Schull
    Research
    Nature Chemistry
    Volume: 13, P: 766-770

  • Tautomerization, the interconversion between two constitutional isomers of a molecule, plays a major role in chemistry. The combination of hyper-resolved fluorescence microscopy with time-correlated measurements and spectral selection enables the identification and in-depth characterization of a tautomerization reaction within a single molecular switch.

    • Benjamin Doppagne
    • Tomáš Neuman
    • Guillaume Schull
    Research
    Nature Nanotechnology
    Volume: 15, P: 207-211